Ecological theory can help explain why segregation persists

An ecological theory may help to explain why segregation is so widespread and persistent in US cities, according to a paper published today in Buildings and Cities. The new way of framing segregation's endurance may provide ...

Did Titan give Saturn its tilt?

Giant planets like Saturn don't just tilt over all by themselves; something has to knock them over, or tug on them gravitationally, to push them off axis. Scientists expect that when new planets are born, they form with almost ...

Variety in the migratory behavior of blackcaps

Many species of birds have always migrated south in the fall to spend the winter there, including the small blackcap, which often weighs only a few grams and yet covers thousands of kilometers. However, changes in our landscapes ...

The economic legacy of the Great Migration

When black Americans migrated out of the South in the 1930s and '40s, their children benefited by leaps and bounds, according to a University of Michigan study using U.S. Census data.

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